Sanitary chemical-closet.



H. Y. SCARBOROUGH. SANITARY CHEMICAL CLOSET.

APPLICATION FILED APR.' 5. |915.

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H. Y. SCARBOROUGH.

SANITARY CHEMICAL CLOSET.

APPLICATION HLED'APR. 5. Isls.

Patented Nov. 12, 1918.

2 SHEETS-SHEET 2.

rr sr HARRY Y. SCARBOROUG-I-I, l0F MINNEAPOLIS, MINNESOTA.

SANITARY CHEMICAL-v-CLOSET.

Application led April 5, 1915.

To all lwhom t may concern:

Be it known that I, HARRY Y. SoARBoR- oUGH, citizen of the UnitedStates, resident of Minneapolis, county of Hennepin, State of Minnesotayhave invented certain new and useful Improvements in SanitaryChemical-Closets, of which the following is a specification.

The object of my invention is to provide a self-flushing closet or onehaving a waste outlet through which the contents of the closet will bedischarged by siphonic action when a quantity of the refuse in solutionhas accumulated in the bowl.

A further object is to provide means for controlling ythe siphonicaction of the closet and supplying a suitable sterilizing agent thereto,following the automatic discharge of the closet contents.

A further object is to provide a closet that will be absolutely sanitaryand adapted particularly for rural districts and other places wherethere are no sewer connections.

A further object is to provide a closet of simple construction and onein which all the parts are readily accessible for examination orrepairs.

Other objects of the invention will appear from the following detaileddescription.

The invention consists generally in various constructions andcombinations, all as hereinafter described and particularly pointed outin the claims.

In the accompanying drawings forming part of this specication,

Figure 1 is a vertical sectional view through a closet embodying myinvention,

showing the parts in their normal position,l

Fig. 2 is a similar view, looking from the opposite side of the closet,showing the cover raised,

Fig. 3 is a plan section of the rear portion of the closet,

Fig. 4 is a detail sectional view of the device for supplying thesterilizing agent to the bowl,

Fig. 5 is a vertical sectional view through l the rear portion of thecloset.

In the drawing, 2 represents the bowl of Specification of LettersPatent.

Patented Nov. 12, 1918.

Serial No. 19,179.

the closet, made of suitable material, such as porcelain, and providedwith a'v top plate 3 whereon the seat 4 and cover 5 are hinged. Aflanged ring 6 is preferably placed on the top of the bowl under theseat. Within the bowl a wall 7 is provided, downwardly and inwardlyinclined and havin an opening 8 therein. A late 9 is mounte on ay shaft10 having bearings in the'wall of the bowl and operatively connectedthrough a rod 11 with a crank12 on a shaft 13. This shaft has aconnection 14 with the cover 5, the parts being. so arranged that whenthe cover is closed the plate 9 will be tilted down toward the bottom ofthe bowl and submerged in the solution therein, as shown in Fig. 1. Whenthe cover is raised, the plate will be lifted through the opening to theposition shown in Fig. 2. This construction is substantially the same asshown in my application Serial No.y 835,949, filed May 2, 1914, anddetailed description and illustration of the same herein is notnecessary.

Adjacent the bowl is a' chamber 14 having a pump device 15 connected bya rod 16 with the shaft 13, so that when the cover is raised the plungerof the pump will be lifted also and a quantity of the deodorizing fluidin the tank 14 will enter the pump and be forced up through thedischarge pipe 17, which has an open end beneath and near the cover tospray the deodorizing fluid across the top of the bowl and over the wall7 and the surface of the plate 9. This feature of the closet shownherein is also substantially illustrated in my application abovereferredto.

The upper portion of the bowl has a passage 18 communicating therewithand leading to a vent pipe 19. The lower portion of the bowl has anopening 20 communicating at one end with a siphonic duct or passage 21lthat is formed in the rear wall of the bowl and within the chamber 14and has a discharge opening 22that is normally sealed by a: valve 23,said discharge opening communicating with a waste pipe 24. The valve 23has an operating rod 25 which extends up through vthe top ofthe. bowland the upper wall of the chamber 14C into the passage 18 and has itsupper end loosely mounted in the lower portion of a handle 26 whichserves as a continuation of said rod and extends vertically across thepassage 18 through a. hole in the top plate 3, where it can beconveniently reached. When the top of the closet is removed, this handleis detached from the valve rod. Secured to the upper end of the rod 25by suitable means, such as a set screw 27, is a collar 27.

A compression spring 2S is preferably interposed between the collar 27and a packing 29, which encircles the rod 25 and forms an air-tightjoint at the point Where said rod passes through the wall of the siphon.

i The spring 28 is put under tension when the handle 26 is depressed toopen the valve, and when the handle isreleased the spring will raise thevalve automatically and seat it to close the discharge opening of thesiphonic duct.

At the rear of the closet I prefer to provide a receptacle 30 adapted tocontain a chemical sterilizing agent in liquid form. A tube 31 ismounted in the bottom of this receptacle and projects upwardly thereinand is closed at its upper end and provided with a port 32 near thebottom of the receptacle. The lower end of the tube is open and providedwith a by-pass 33 having a port 311 through the wall of the tube. Belowthe discharge end of the by-pass a depression 35 is formed in the wallof the bowl, leading to the wall 7 and adapted to conduct thesterilizing and germicidal fluid to the contents of the bowl.

Within the tube 31 is a plunger 36 having a pin 37 passing through aslot 38 in the wall of the tube and mounted in the handle 26 so thatwhen the handle is moved vertically, a corresponding movement will beimparted to the plunger. The plunger is hollow and provided with a port39 at its upper end and a port 40 at its lower end. Normally, when thehandle and plunger are raised, the port 39 will be out of register withthe port 32 and the port 4:0 will be in register with the port 34C, butwhen the handle is depressed to open the waste pipe valve, the plungerwill be moved downward also until its port 39 registers withl the port32, whereupon a supply of chemical solution will flow from thereceptacle 30 and when the handle 26 is released, and the spring 28returns it to its normal position to close the vwaste valve, the plungerwill be raised, cutting off the entrance of the solution to the plungerand causing the ports 311 and 40 to register, whereupon the liquid inthe plunger will flow out into the depression or valley and be deliveredto the contents of the bowl. The formation of 'a vacuum in the top ofthe tube 31 is prevented by a suitable vent 41. The chemical sterilizingagent delivered to the bowl each time the waste valve is operated willbe sufficient to render the accumulation in the bowl absolutely sterileand each time the cover is operated this accumulation will be agi-`tated and the solids broken up by the action of the swinging plate ormember 9.

The closet is designed for use without dumping` until such time as thecontents accumulate or rise above the entrance to the y siphon, asillustrated in Fig. 1, and at such released and discharged into thebowl, thev volume being suliicient to completely sterilize theaccumulation therein and maintain this sterile condition until the bowlis again filled to a suitable discharging point. The closing of thecover will tilt the agitating member-9 down into the solution andthoroughly agitate and break up the contents of the bowl and at the sametime the pump device will be operated to thoroughly spray and deodorizethe upper yportion of the bowl and the surface of the wall 7 and thetilting member.

In various ways the details of construction hereinshown and describedmay be modified and still be within the scope of my invention.

I claim as my invention:

1. A closet comprising a bowl having a discharge opening, a receptacleadapted to contain a chemical solution, a tube having a port below thelevel of said solution, the lower end of said tube having a dischargeport and a passage communicating therewith, a plunger provided withinsaid tube and slidable therein and having a port-to register with saidinlet port when said plunger is in a predetermined position and alsohaving a port to register with said outlet port at a predeterminedpoint, whereby with each movement of said plunger a supply of thechemical solution will be received and discharged, and means arranged toreceive the chemical solution and deliver it to said bowl.

2. A closet comprising a bowl having a discharge opening, a receptacleadapted to contain a chemical solution, a tube depending therefrom andhaving a port below the level of `the SOlutiOn, the vlower .end of saidtube having a discharge port and a passage communicating therewith, ahollow plunger provided within said tube and vertically slidable thereinand having a port to register with said inlet port when said plunger isdepressed, and also having a port to register with said outlet port whensaid plunger is raised to a predetermined point, whereby, with eachmovement of said plunger a sup- 10 ply of the chemical solution will bereceived and discharged thereby, and a wall arranged to 'receive saidchemical solution and deliver it to said bowl.

In witness whereof, I have hereunto set my hand this 25th day of March,1915.

HARRY Y. SCAR-BOROUGH.

Witnesses:

EDWARD A. PAUL, W. R. MoINNIs.

Copies of this patent may be obtained for five `eents each, byaddressing the Commissioner of Patents. Washington, D. C.

